How much will it cost and who is paying for the remediation works?

These are multi-million dollar projects. The price is subject to a number of factors, including the amount and nature of contamination which is remediated during the works. Legislation operates in New South Wales under which the costs of remediation may be borne by the organisations responsible for the contamination. As is on the public record, the EPA has identified the original polluter as the company that operated the Millers Point Gasworks, now known as Jemena.